/**
* Copyright (c) 2009, Regents of the University of Colorado
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of the University of Colorado at Boulder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package clear.dep;

import java.util.regex.Pattern;

/**
 * This class contains constant variables for dependency parsing.
 * @author Jinho D. Choi
 * <b>Last update:</b> 4/26/2010
 */
public class DepLib
{
	static final public String FIELD_BLANK = "_";
	
	/** ID of the root node */
	static public final int ROOT_ID      =  0;
	/** ID of a null node */
	static public final int NULL_ID      = -1;
	/** Head ID of a null/root node */
	static public final int NULL_HEAD_ID = -2;

	/** Feature tag for root nodes */
	static public final String ROOT_TAG   = "#$ROOT$#";
	
	static public final String DEPREL_ADV   = "ADV";
	static public final String DEPREL_AMOD  = "AMOD";
	static public final String DEPREL_APPO  = "APPO";
	static public final String DEPREL_AUX   = "AUX";
	static public final String DEPREL_BNF   = "BNF";
	static public final String DEPREL_CAP   = "CAP";
	static public final String DEPREL_CIT   = "CIT";
	static public final String DEPREL_COORD = "COORD";
	static public final String DEPREL_CONJ  = "CONJ";
	static public final String DEPREL_CLF   = "CLF";
	static public final String DEPREL_DEP   = "DEP";
	static public final String DEPREL_DIR   = "DIR";
	static public final String DEPREL_DTV   = "DTV";
	static public final String DEPREL_EDIT  = "EDIT";
	static public final String DEPREL_EXT   = "EXT";
	static public final String DEPREL_EXTR  = "EXTR";
	static public final String DEPREL_GAP   = "GAP";
	static public final String DEPREL_IM    = "IM";
	static public final String DEPREL_INTJ  = "INTJ";
	static public final String DEPREL_LGS   = "LGS";
	static public final String DEPREL_LOC   = "LOC";
	static public final String DEPREL_META  = "META";
	static public final String DEPREL_MNR   = "MNR";
	static public final String DEPREL_MOD   = "MOD";
	static public final String DEPREL_NMOD  = "NMOD";
	static public final String DEPREL_OBJ   = "OBJ";
	static public final String DEPREL_OPRD  = "OPRD";
	static public final String DEPREL_P     = "P";
	static public final String DEPREL_PMOD  = "PMOD";
	static public final String DEPREL_PRD   = "PRD";
	static public final String DEPREL_PRN   = "PRN";
	static public final String DEPREL_PRP   = "PRP";
	static public final String DEPREL_PRT   = "PRT";
	static public final String DEPREL_QMOD  = "QMOD";
	static public final String DEPREL_ROOT  = "ROOT";
	static public final String DEPREL_SEZ   = "SEZ";
	static public final String DEPREL_SBJ   = "SBJ";
	static public final String DEPREL_SUB   = "SUB";
	static public final String DEPREL_TMP   = "TMP";
	static public final String DEPREL_VC    = "VC";
	static public final String DEPREL_VOC   = "VOC";
	
	static public final Pattern M_VC = Pattern.compile("CONJ|COORD|IM|OPRD|VC");
	
	static public final String[] CZ_FEAT = {"Cas","Gen","Gra","Neg","Num","PGe","PNu","Per","Sem","SubPOS","Ten","Var","Voi"};
}
